softirq_bit       257 kernel/softirq.c 	int softirq_bit;
softirq_bit       280 kernel/softirq.c 	while ((softirq_bit = ffs(pending))) {
softirq_bit       284 kernel/softirq.c 		h += softirq_bit - 1;
softirq_bit       301 kernel/softirq.c 		pending >>= softirq_bit;